function msgtype() {
	return{
		IMAGE: "img",
		TEXT: "txt",
		LOCATION: "location",
		VIDEO: "video",
		AUDIO: "audio",
		EMOJI: "emoji",
		FILE: "chat",
		chatType: {
			SINGLE_CHAT: "singleChat",
			CHAT_ROOM: "chatRoom",
		}
	}
};
